Result has its own withDefault function. You do not need to convert the Result to a Maybe.
On Tue, May 24, 2016 at 9:15 AM, Thomas Coopman <[email protected]> wrote: > I do not completely agree that the solution is not so nice. > The app can return an invalid string and here you are enforced to do > something with it explicitly. > > You do have to check if this implementation is acceptable for you, because > now, when the user enters an invalid string, you will change his text to 0. > So if the user types 123a, you will revert his input to 0. It's probably > better to keep his input and put a parsed Int in the model too. > > > On Tue, 24 May 2016 at 17:43 Herwig Habenbacher < > [email protected]> wrote: > >> Thanks! >> >> The Solution just don't look that nice ;-) >> >> update : Msg -> Applications -> Applications >>>> >>>> update action model = >>>> >>>> case action of >>>> >>>> AID app -> >>>> >>>> { model | appID = String.toInt app |> Result.toMaybe |> >>>>> Maybe.withDefault 0 } >>>> >>>> >>>>> Name nname -> >>>> >>>> { model | name = nname } >>>> >>>> >>>>> ClientID cid -> >>>> >>>> { model | clientID = cid } >>>> >>>> >>>> -- >> You received this message because you are subscribed to the Google Groups >> "Elm Discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "Elm Discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
